Bella begins to suspect Edward is a vampire in chapter 6, on page 124. Bella went to the beach with a group of friends from school and she meets up with Jacob Black. Jacob begins telling Bella the ancient Quileute foklore. He tells her the story about how the Quileutes came from wolves. He then begins telling her the story about the wolves only enemy-the cold-ones. In the next chapter Bella has the nightmare where Jacob becomes a wolf and Edward is his enemy. It was then that she began researching vampire stories and the historical evidence.